Pacific Geoscience Centre, Geological Survey of Canada, 9860 W. Saanich rd., Sidney, BC V8L 4G4 Canada ; School of Earth and Ocean Sciences, University of Victoria, PO Box 1700, Victoria, BC V8W 2Y2 Canada
School of Earth and Ocean Sciences, University of Victoria, PO Box 1700, Victoria, BC V8W 2Y2 Canada ;
Pacific Geoscience Centre, Geological Survey of Canada, 9860 W. Saanich rd., Sidney, BC V8L 4G4 Canada ; School of Earth and Ocean Sciences, University of Victoria, PO Box 1700, Victoria, BC V8W 2Y2 Canada ;
Pacific Geoscience Centre, Geological Survey of Canada, 9860 W. Saanich rd., Sidney, BC V8L 4G4 Canada ;